YOU SAID:

My farts are pretty stinky today.

INTO JAPANESE

今日は私のオナラがかなり臭いです。

BACK INTO ENGLISH

Today pretty much smell my farts.

INTO JAPANESE

今日かなり私のオナラの匂いを嗅ぐ。

BACK INTO ENGLISH

Today pretty much smell my farts smell.

INTO JAPANESE

今日かなり私のオナラの臭いをかぐ。

BACK INTO ENGLISH

Today pretty much smell my farts smell.